Description
AMI APTIOV contains vulnerabilities in BIOS where
privileged users may cause the “Out-of-Bounds Read” by
local access. Successful exploitation of this vulnerability may lead to a
denial of service during firmware update processing, such as a crash or failed
update if the out-of-bounds read hits unmapped memory. It could also impact
Confidentiality, and Availability.
Published: 2026-11-10
Score: 4.8 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 10 Nov 2026 16:30:00 +0000

Type Values Removed Values Added
Description AMI APTIOV contains vulnerabilities in BIOS where privileged users may cause the “Out-of-Bounds Read” by local access. Successful exploitation of this vulnerability may lead to a denial of service during firmware update processing, such as a crash or failed update if the out-of-bounds read hits unmapped memory. It could also impact Confidentiality, and Availability.
Title OFBD SMM Read Validation Issues
Weaknesses CWE-125
References
Metrics cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: AMI

Published:

Updated: 2026-11-10T16:22:00.305Z

Reserved: 2026-07-24T21:31:28.218Z

Link: CVE-2026-66333

cve-icon Vulnrichment

No data.

cve-icon NVD

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cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses